Audi S4
Reliability, running costs, and MOT data across 14 years from 2,276 real MOT tests.
Avg Pass Rate
87%
Total Tests
2,276
Best Year
2013 (94%)
Years Covered
14
About the Audi S4
The Audi S4 has been tested 2,276 times in 2026 MOT data across 14 model years (1999 to 2017), with an average pass rate of 87%. That's slightly above the national average of 82%. Available as petrol.
Best and Worst Years
The 2013 model is the most reliable with a 94% pass rate from 189 tests. The 2006 model has the lowest at 78%. With a 16 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer AUDI S4s show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Mileage Across Years
The oldest model in our data (1999) averages 161,691 miles, while the newest (2017) averages 57,456 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2017 detailsHow reliable is the Audi S4?
Audi S4 by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Audi S4 Guides & Articles
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